| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 848 | 
                                    
                                    22.6%
                                 | 
| 2 | NO | 694 | 
                                    
                                    18.5%
                                 | 
| Sysmiss | 2215 | 
                                    
                                    59%
                                 |